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-rw-r--r--src/arch/stm32f446re-nucleo/Makefile.inc2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/arch/stm32f446re-nucleo/Makefile.inc b/src/arch/stm32f446re-nucleo/Makefile.inc
index 263fb2f..8dfaecd 100644
--- a/src/arch/stm32f446re-nucleo/Makefile.inc
+++ b/src/arch/stm32f446re-nucleo/Makefile.inc
@@ -2,6 +2,8 @@
SERIAL_PORT ?= ttyACM0
+cpu_freq ?= 168000000
+
INCLUDES += -Iext/libopencm3/include
COMMON_FLAGS += --static -nostartfiles -g3 -Os -fno-common